Lug-to-lug 52 mm 2.05 in
Case 42 mm 1.65 in
Thickness Not provided Not provided
Lug width 22 mm 0.87 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.96
Too smallIdealLargeToo large
Large
Likely to wear near the wrist edge; case shape and strap angle matter.
Sources
- https://www.montblanc.com/en-us/montblanc-1858-geosphere-0-oxygen-limited-edition---1786-pieces-MB129415.html
Official page confirms the 42 mm bronze 1858 Geosphere 0 Oxygen Limited Edition MB129415.
- https://igormo.com/montblanc-1858-geosphere-0-oxygen-edicion-limitada-1786/
Review of the 1786-piece 0 Oxygen limited edition gives the case a 52 mm lug-to-lug measurement.
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